Operating device



FIG. 1 is a perspective view of an operating device;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines are for environmental purposes only and do not form any part of the claimed design. 

CLAIM The ornamental design for an operating device, as shown and described. 